Move PTY_OPEN from src/s to configure

[gnu-emacs] / lib / md5.c

diff --git a/lib/md5.c b/lib/md5.c
index 7a172e35aa783d0404c94a981e316a5655e2230f..30b7e50e3ae454439950744744c41afefab73364 100644 (file)
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -1,6 +1,6 @@
 /* Functions to compute MD5 message digest of files or memory blocks.
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2011 Free Software
+   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2012 Free Software
    Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -15,8 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.  */
 
@@ -24,7 +23,8 @@
 
 #include "md5.h"
 
-#include <stddef.h>
+#include <stdalign.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
@@ -82,9 +82,9 @@ md5_init_ctx (struct md5_ctx *ctx)
 
 /* Copy the 4 byte value from v into the memory location pointed to by *cp,
    If your architecture allows unaligned access this is equivalent to
-   * (md5_uint32 *) cp = v  */
+   * (uint32_t *) cp = v  */
 static inline void
-set_uint32 (char *cp, md5_uint32 v)
+set_uint32 (char *cp, uint32_t v)
 {
   memcpy (cp, &v, sizeof v);
 }
@@ -109,7 +109,7 @@ void *
 md5_finish_ctx (struct md5_ctx *ctx, void *resbuf)
 {
   /* Take yet unprocessed bytes into account.  */
-  md5_uint32 bytes = ctx->buflen;
+  uint32_t bytes = ctx->buflen;
   size_t size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4;
 
   /* Now count remaining bytes.  */
@@ -254,8 +254,7 @@ md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx)
   if (len >= 64)
     {
 #if !_STRING_ARCH_unaligned
-# define alignof(type) offsetof (struct { char c; type x; }, x)
-# define UNALIGNED_P(p) (((size_t) p) % alignof (md5_uint32) != 0)
+# define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (uint32_t) != 0)
       if (UNALIGNED_P (buffer))
         while (len > 64)
           {
@@ -305,31 +304,31 @@ md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx)
 void
 md5_process_block (const void *buffer, size_t len, struct md5_ctx *ctx)
 {
-  md5_uint32 correct_words[16];
-  const md5_uint32 *words = buffer;
-  size_t nwords = len / sizeof (md5_uint32);
-  const md5_uint32 *endp = words + nwords;
-  md5_uint32 A = ctx->A;
-  md5_uint32 B = ctx->B;
-  md5_uint32 C = ctx->C;
-  md5_uint32 D = ctx->D;
+  uint32_t correct_words[16];
+  const uint32_t *words = buffer;
+  size_t nwords = len / sizeof (uint32_t);
+  const uint32_t *endp = words + nwords;
+  uint32_t A = ctx->A;
+  uint32_t B = ctx->B;
+  uint32_t C = ctx->C;
+  uint32_t D = ctx->D;
+  uint32_t lolen = len;
 
   /* First increment the byte count.  RFC 1321 specifies the possible
      length of the file up to 2^64 bits.  Here we only compute the
      number of bytes.  Do a double word increment.  */
-  ctx->total[0] += len;
-  if (ctx->total[0] < len)
-    ++ctx->total[1];
+  ctx->total[0] += lolen;
+  ctx->total[1] += (len >> 31 >> 1) + (ctx->total[0] < lolen);
 
   /* Process all bytes in the buffer with 64 bytes in each round of
      the loop.  */
   while (words < endp)
     {
-      md5_uint32 *cwp = correct_words;
-      md5_uint32 A_save = A;
-      md5_uint32 B_save = B;
-      md5_uint32 C_save = C;
-      md5_uint32 D_save = D;
+      uint32_t *cwp = correct_words;
+      uint32_t A_save = A;
+      uint32_t B_save = B;
+      uint32_t C_save = C;
+      uint32_t D_save = D;
 
       /* First round: using the given function, the context and a constant
          the next context is computed.  Because the algorithms processing